dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/tss.h

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// Copyright (c) 2016 GeometryFactory (France)
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0+
#ifndef CGAL_TSS_H
#define CGAL_TSS_H
#include <CGAL/config.h>
#if defined( CGAL_HAS_THREADS )
# ifdef CGAL_CAN_USE_CXX11_THREAD_LOCAL
//# pragma message ( "Use keyword thread_local" )
# else
//# pragma message ("Use thread_local from boost")
# define CGAL_USE_BOOST_THREAD
# include <boost/thread/tss.hpp>
# endif
# ifdef CGAL_USE_BOOST_THREAD
# define CGAL_STATIC_THREAD_LOCAL_USE_BOOST 1
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_0(TYPE, VAR) \
static boost::thread_specific_ptr<TYPE> VAR##_ptr; \
if(VAR##_ptr.get() == NULL) {VAR##_ptr.reset(new TYPE());} \
TYPE& VAR = * VAR##_ptr.get()
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE(TYPE, VAR, ARG1) \
static boost::thread_specific_ptr<TYPE> VAR##_ptr; \
if(VAR##_ptr.get() == NULL) {VAR##_ptr.reset(new TYPE(ARG1));} \
TYPE& VAR = * VAR##_ptr.get()
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_2(TYPE, VAR, ARG1, ARG2) \
static boost::thread_specific_ptr<TYPE> VAR##_ptr; \
if(VAR##_ptr.get() == NULL) {VAR##_ptr.reset(new TYPE(ARG1,ARG2));} \
TYPE& VAR = * VAR##_ptr.get()
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_3(TYPE, VAR, ARG1, ARG2, ARG3) \
static boost::thread_specific_ptr<TYPE> VAR##_ptr; \
if(VAR##_ptr.get() == NULL) {VAR##_ptr.reset(new TYPE(ARG1,ARG2,ARG3));} \
TYPE& VAR = * VAR##_ptr.get()
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_4(TYPE, VAR, ARG1, ARG2, ARG3, ARG4) \
static boost::thread_specific_ptr<TYPE> VAR##_ptr; \
if(VAR##_ptr.get() == NULL) {VAR##_ptr.reset(new TYPE(ARG1,ARG2,ARG3,ARG4));} \
TYPE& VAR = * VAR##_ptr.get()
# else // not CGAL_USE_BOOST_THREAD, -> use C++11 thread_local
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_0(TYPE, VAR) \
static thread_local TYPE VAR
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE(TYPE, VAR, ARG1) \
static thread_local TYPE VAR(ARG1)
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_2(TYPE, VAR, ARG1, ARG2) \
static thread_local TYPE VAR(ARG1,ARG2)
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_3(TYPE, VAR, ARG1, ARG2, ARG3) \
static thread_local TYPE VAR(ARG1,ARG2,ARG3)
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_4(TYPE, VAR, ARG1, ARG2, ARG3, ARG4) \
static thread_local TYPE VAR(ARG1,ARG2,ARG3,ARG4)
# endif // not CGAL_USE_BOOST_THREAD
#else // not CGAL_HAS_THREADS
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_0(TYPE, VAR) static TYPE VAR
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE(TYPE, VAR,ARG1) static TYPE VAR(ARG1)
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_2(TYPE, VAR,ARG1,ARG2) static TYPE VAR(ARG1,ARG2)
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_3(TYPE, VAR,ARG1,ARG2,ARG3) static TYPE VAR(ARG1,ARG2,ARG3)
# define CGAL_STATIC_THREAD_LOCAL_VARIABLE_4(TYPE, VAR,ARG1,ARG2,ARG3,ARG4) static TYPE VAR(ARG1,ARG2,ARG3,ARG4)
#endif // not CGAL_HAS_THREADS
#endif // CGAL_TSS_H